TC1796
Peripheral Units (Vol. 2 of 2)
Controller Area Network (MultiCAN) Controller
User’s Manual 22-94 V2.0, 2007-07
MultiCAN, V2.0
The MOSTATn is a read-only register that indicates message object list status
information such as the number of the current message object predecessor and
successor message object, as well as the list number to which the message object is
assigned.
MOSTAT0
Message Object 0 Status Register (061C
H
) Reset Value: 0100 0000
H
MOSTAT127
Message Object 127 Status Register (15FC
H
) Reset Value: 7F7E 0000
H
MOSTATn (n = 1-126)
Message Object n Status Register
(061C
H
+n*20
H
)
Reset Value: ((n+1)*01000000
H
)+((n-1)*00010000
H
)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
PNEXT PPREV
rh rh
1514131211109876543210
LIST DIR
TX
EN1
TX
EN0
TX
RQ
RX
EN
RTS
EL
MSG
VAL
MSG
LST
NEW
DAT
RX
UPD
TX
PND
RX
PND
rh rh rh rh rh rh rh rh rh rh rh rh rh
Field Bits Type Description
RXPND 0rhReceive Pending
0
B
No CAN message has been received.
1
B
A CAN message has been received by the
message object n, either directly or via gateway
copy action.
RXPND is not cleared by hardware but must be
cleared by software.
TXPND 1rhTransmit Pending
0
B
No CAN message has been transmitted.
1
B
A CAN message from message object n has
been transmitted successfully over the CAN
bus.
TXPND is cleared by hardware but must be cleared
by software.
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